Question Paper: Data Communication and Wireless Sensor Networks : Question Paper Dec 2015 - Computer Engineering (Semester 5) | Pune University (PU)
0

Data Communication and Wireless Sensor Networks - Dec 2015

Computer Engg (Semester 5)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.


Solve any one question from Q1 and Q2

1 (a) Explain FHSS and DSSS with help of diagram.(8 marks) 1 (b) A pure ALOHA network transmits 200-bit frame on a shared channel of 200 kbps. What is the throughput if the system (all stations together) Produces
i) 1000 frames per second.
ii) 500 frames per second.
(6 marks)


Write a note on:

1 (c) (i) Zigbee(3 marks) 1 (c) (ii) WiMax.(3 marks) 2 (a) Explain stop and wait ARQ, GO back-n ARQ and selective repeat ARQ. Comment on the performance of each.(6 marks) 2 (b) Define sampling. Draw and explain different types of sampling with Diagram.(6 marks)


Write a note on:

2 (c) (i) WiFi(4 marks) 2 (c) (ii) Bluetooth.(4 marks)


Solve any one question from Q3 and Q4

3 (a) Explain exposed terminal problem and hidden terminal problem Wireless Network in detail.(8 marks) 3 (b) Explain S-MAC protocol for WSN.(8 marks)


Write a note on:

4 (a) (i) Contention based protocols.(4 marks) 4 (a) (ii) What is STEM, STEM-B, STEM-T?(4 marks)


Solve any one question from Q5 and Q6

5 (a) Explain various design issues and routing challenges in WSN.(4 marks) 5 (b) Explain flooding and gossiping in detail.(4 marks) 6 (a) With the help of diagram explain algorithm for SPIN. Explain types of SPIN.(8 marks) 6 (b) With the help of diagram explain two phases of LEACH protocol. Compare LEACH with PEGASIS.(8 marks)


Solve any one question from Q7 and Q8

7 (a) List and explain common techniques used for Infrastructure establishment(8 marks) 7 (b) Explain layered architecture of CDN(5 marks) 7 (c) Write short note on Tiny OS.(5 marks) 8 (a) What is localization? Why it is needed? Explain phases of localization.(8 marks) 8 (b) With flow chart explain IDSQ algorithm.(5 marks) 8 (c) List types of queries in sensor network and give example.(5 marks)

Please log in to add an answer.